FILE - This May 15, 2012 photo from files shows the then new French President, Francois Hollande, right, shaking hand with outgoing President Nicolas Sarkozy while Hollande's companion Valerie Trierweiler, behind left, and Carla Bruni-Sarkozy, behind center, look on, after the handover ceremony at the Elysee Palace in Paris. Former French First Lady Carla Bruni says she thinks her unmarried successor Valerie Trierweiler should get hitched to be taken more seriously. (AP Photo/Thibault Camus, File)